ChromaDB allows any authenticated users to arbitrarily read, write, update, or delete data in any tenant's collection
A lack of authorization validation in version 0.4.17 or later of the ChromaDB Python project allows any authenticated users to arbitrarily read, write, update, or delete data in any tenant's collection regardless of which tenant they belong to.
Affected software
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| Platform | Package | Vulnerable versions | Fixed in |
|---|---|---|---|
| Python (PyPI) | chromadb | >= 0.4.17, <= 1.5.9 | no fix |
References
- https://nvd.nist.gov/vuln/detail/CVE-2026-45830
- https://github.com/chroma-core/chroma/issues/7588
- https://github.com/chroma-core/chroma/pull/7602
- https://access.redhat.com/security/cve/CVE-2026-45830
- https://bugzilla.redhat.com/show_bug.cgi?id=2488408
- https://github.com/chroma-core/chroma
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-45830.json
- https://www.hiddenlayer.com/sai-security-advisory/2026-06-chromadb
- https://pypi.org/project/chromadb
- https://github.com/advisories/GHSA-2wm9-hf6c-p5cr
- CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H- Weakness (CWE)
CWE-266, CWE-639- Platform
- Python (PyPI)
- Package
chromadb- Disclosed
- 12.06.2026
- Updated
- 11.10.2026 15:18
Sources and licenses
OSV / GitHub Advisory Database - PYSEC-2026-3813 - PyPA Advisory Database; CC BY 4.0
OSV / GitHub Advisory Database - GHSA-2wm9-hf6c-p5cr - CC BY 4.0
Vulnerability history: chromadb
All published vulnerabilities of this package (Python (PyPI)), newest first. Shows whether this is a one-off slip or a package that needs watching.
- Total entries
- 4
- First → latest
- 05.2026 06.2026
- Without a fix
- 4
- Exploited in attacks
- 0
Severity breakdown
- Critical 2
- High 2
Disclosures per year
- 2026: 4
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ChromaDB allows any authenticated users to arbitrarily read, write, update, or delete data in any tenant's collection this entry
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